/**
 * Tencent is pleased to support the open source community by making Tars available.
 *
 * Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

module.exports = async (ctx, next) => {
	if (ctx && ctx.set) {
		ctx.set('Surrogate-Control', 'no-store');
		ctx.set('Cache-Control', 'no-store, no-cache, must-revalidate, proxy-revalidate');
		ctx.set('Pragma', 'no-cache');
		ctx.set('Expires', '0');
	}
	await next();
};